upstream/mercurial-mirror Files · contrib/phab-refresh-stack.sh

tracked-key: remove the dual write and rename to tracked-hint...

tracked-key: remove the dual write and rename to tracked-hint The dual-write approach was mostly useless. As explained in the previous version of the help, the key had to be read twice before we could cache a value. However this "read twice" limitation actually also apply to any usage of the key. If some operation wants to rely of the "same value == same tracked set" property it would need to read the value before, and after running that operation (or at least, after, in all cases). So it cannot be sure the operation it did is "valid" until checking the key after the operation. As a resultat such operation can only be read-only or rollbackable. This reduce the utility of the "same value == same tracked set" a lot. So it seems simpler to drop the double write and to update the documentation to highlight that this file does not garantee race-free operation. As a result the "key" is demoted to a "hint". Documentation is updated accordingly. Differential Revision: https://phab.mercurial-scm.org/D12201

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      #!/bin/bash

      set -eu

      if [[ "$PHABRICATOR_TOKEN" == "NO-PHAB" ]]; then

          echo 'Skipping Phabricator Step' >&2

          exit 0

      fi

      revision_in_stack=`hg log \

          --rev '.#stack and ::. and topic()' \

          -T '\nONE-REV\n' \

          | grep 'ONE-REV' | wc -l`

      revision_on_phab=`hg log \

          --rev '.#stack and ::. and topic() and desc("re:\nDifferential Revision: [^\n]+D\d+$")'\

          -T '\nONE-REV\n' \

          | grep 'ONE-REV' | wc -l`

      if [[ $revision_in_stack -eq 0 ]]; then

          echo "stack is empty" >&2

          exit 0

      fi

      if [[ $revision_on_phab -eq 0 ]]; then

          echo "no tracked diff in this stack" >&2

          exit 0

      fi

      if [[ $revision_on_phab -lt $revision_in_stack ]]; then

          echo "not all stack changesets (${revision_in_stack}) have matching Phabricator Diff (${revision_on_phab})" >&2

          exit 2

      fi

      if [[ "$PHABRICATOR_TOKEN" == "" ]]; then

          echo 'missing $PHABRICATOR_TOKEN variable' >&2

          echo '(use PHABRICATOR_TOKEN="NO-PHAB" to disable this step)' >&2

          exit 2

      fi

      hg \

      --config extensions.phabricator= \

      --config phabricator.url=https://phab.mercurial-scm.org/ \

      --config phabricator.callsign=HG \

      --config auth.phabricator.schemes=https \

      --config auth.phabricator.prefix=phab.mercurial-scm.org \

      --config auth.phabricator.phabtoken=$PHABRICATOR_TOKEN \

      phabsend --rev '.#stack and ::. and topic()' \

      "$@"

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				#!/bin/bash
				set -eu

				if [[ "$PHABRICATOR_TOKEN" == "NO-PHAB" ]]; then
				echo 'Skipping Phabricator Step' >&2
				exit 0
				fi

				revision_in_stack=`hg log \
				--rev '.#stack and ::. and topic()' \
				-T '\nONE-REV\n' \
				\| grep 'ONE-REV' \| wc -l`
				revision_on_phab=`hg log \
				--rev '.#stack and ::. and topic() and desc("re:\nDifferential Revision: [^\n]+D\d+$")'\
				-T '\nONE-REV\n' \
				\| grep 'ONE-REV' \| wc -l`

				if [[ $revision_in_stack -eq 0 ]]; then
				echo "stack is empty" >&2
				exit 0
				fi

				if [[ $revision_on_phab -eq 0 ]]; then
				echo "no tracked diff in this stack" >&2
				exit 0
				fi

				if [[ $revision_on_phab -lt $revision_in_stack ]]; then
				echo "not all stack changesets (${revision_in_stack}) have matching Phabricator Diff (${revision_on_phab})" >&2
				exit 2
				fi

				if [[ "$PHABRICATOR_TOKEN" == "" ]]; then
				echo 'missing $PHABRICATOR_TOKEN variable' >&2
				echo '(use PHABRICATOR_TOKEN="NO-PHAB" to disable this step)' >&2
				exit 2
				fi

				hg \
				--config extensions.phabricator= \
				--config phabricator.url=https://phab.mercurial-scm.org/ \
				--config phabricator.callsign=HG \
				--config auth.phabricator.schemes=https \
				--config auth.phabricator.prefix=phab.mercurial-scm.org \
				--config auth.phabricator.phabtoken=$PHABRICATOR_TOKEN \
				phabsend --rev '.#stack and ::. and topic()' \
				"$@"